Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1990-06-22
1991-11-12
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164423, B22D 1106
Patent
active
050639889
ABSTRACT:
Casting nozzles will provide improved flow conditions with the parameters controlled according to the present invention. The gap relationships between the nozzle slot and exit orifice must be controlled in combination with converging exit passageway to provide a smooth flow without shearing and turbulence in the stream. The nozzle lips are also rounded to improve flow and increase refractory life of the lips of the nozzle. The tundish walls are tapered to provide improve flow for supplying the melt to the nozzle. The nozzle is located about 45.degree. below top dead center for optimum conditions.
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patent: 4142571 (1979-03-01), Narasimhan
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patent: 4399860 (1983-08-01), Johns
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patent: 4479528 (1984-10-01), Maringer
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patent: 4485839 (1984-12-01), Ward
patent: 4617981 (1986-10-01), Maringer
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patent: 4771820 (1988-09-01), Williams
Follstaedt Donald W.
Powell John C.
Sussman Richard C.
Williams Robert S.
Armco Inc.
Bunyard Robert J.
Fillnow Larry A.
Johnson Robert H.
Lin Kuang Y.
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